Pinecone
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Everything posted by Pinecone
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The rating is for two temperatures. All oils get thicker when colder and thinner with hotter. The question is how much. Full synthetics don't get really thick until stupid low temps. So yes, the curves will diverge. But LOTS of data out there on multi viscosity oils. If you do oil analysis, you can get data on the actual viscosity at the two temps for your used oil.
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I came here the same way. To learn and find a good plane. After reading here and other sources, I decided that I really wanted a 252. So that is what I bought. Actually a 252 upgraded to Encore specs.
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True. But thinking forward about how to set up my panel when I do an upgrade.
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That is the definition. Yes, it is when the oil is new. Synthetic oils are naturally multi viscosity, as the viscosity by weight is based on regular oils. Non-synthetic multi viscosity oil use viscosity improvers. They are molecules that change from small to larger with temperature. So as they get warm, the viscosity increases. These do get sheared and stop working over time. But in aircraft, we tend to change the oil much more frequently that cars, so not a huge problem.
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A 20W-50 multi weight oil is the same viscosity when hot as a straight 50 weight. Cold, it is the same a cold straight 20 weight.
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I am a big fan of the idea of separate busses with separate paths to power. Split the the avionics so either bux gives you an AI, com, and nav. Another possibility is a separate power path using a simple switch. That is only used in emergencies (relay fails).
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My plane just has a oil sump heater. So, before our recent trip to FL, I had the heater one for about 36 hours (he had to slip the departure a day due to weather), cowl plugs in, no blanket (insulated cowl cover ordered). Outside temps were in the 10 - 15F range, uninsulated, but pretty tight, T-hangar. Temp was about 69F and RH was 15.6%. Measured siting next to the oil dipstick at the top of the cowl.
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You can also put the electrical and compressed air and water in overhead reels.
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Mooney 201 lands on high power lines in MD
Pinecone replied to ArtVandelay's topic in Mooney Safety & Accident Discussion
The really stupid one was Miramar. When the Navy built is, they purchased all the land around and zoned it commercial. So little to no noise complaints. Some developers sued to get it rezoned, and were successful, and put houses in. Now they all complain about the noise -
Another voice for a new instructor. MAYBE, if the attitude flying went well, might try an approach at the end, but if you are not wet and tired coming back to the field, you have not worked hard enough. Partially joking. I do disagree that you need to train in the plane you will be flying. With modern avionics, it does help to train in an aircraft with similar equipment. Flying with CAP in addition to my Mooney (GTN-650Xi), I fly C-182 and C-172 with - GTN-650, G-1000, GNS-430, and even a Garmin 400. Some with steam gauges, some with various glass panels. They are similar enough, that switching is not a huge issue.
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Yeah, that worked so well.
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Hmm, that is what I said I did. Quad outlet every 4 feet. Installed 48" above the floor. By code, they must be GFCI protected, and in many jurisdictions Arc Fault protection will be required.
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Emergency Exit- Vintage Mooneys
Pinecone replied to Andy95W's topic in Vintage Mooneys (pre-J models)
I still think a canopy breaker type tools makes a lot of sense. -
ROP and LOP as related to "the feel"
Pinecone replied to 211º's topic in Vintage Mooneys (pre-J models)
Since air is 21% O2, you need to go to where the pressure is about 1/5 sea level for pure O2 to be the same partial pressure as at sea level. Pressure at Sea Level + 14.7 PSI. O2 partial pressure 3.087 PSI. So where the air pressure is 3.087 PSI, breathing pure O2 is the same as at sea level, and that is 37,400 feet at 15C. But you don't need 3 PSI O2 to live. OSHA allows down to 19.5% O2, but that is for pretty much any working altitude -
ROP and LOP as related to "the feel"
Pinecone replied to 211º's topic in Vintage Mooneys (pre-J models)
In the 50s and 60s, there was a "semi pressure" suit. It had inflatable rolls that caused the flight suit to compress on the body. Modern fighters are pressurized. So that helps. A G--suit only compresses the lower body and legs, not the upper body and arms. "If the human body is exposed to a low enough absolute pressure, then surface fluids (tear film, saliva, and the air-exposed surface of alveoli) will begin to boil at normal body temperature. This occurs at around an altitude of 60,000 feet (approximately 11.4 miles or 18.3 kilometers) depending on exact atmospheric conditions." "Under 34,000 ft 100% oxygen in a tight-fitting mask will deliver near ground level oxygen to the tissues. Pressure suits or pressurized cockpits must be used beyond this level to maintain near sea level oxygenation to the tissues." -
As A64Pilot says, the out is, blame it on the FAA. But even if don't have great news, it is good PR to occasionally say SOMETHING.
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Actually, it is combination of what was paid for the fuel being pumped and what the next load will cost. That is why car gas goes up all at once. They get word the next tanker load will cost X per gallon, they need to raise the price to cover that. Fuel is paid upon delivery, so you have to the money to pay the bill. And the margin on car gas is very slim. There is reason that so many stations have a shop with convenience items.
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LED Replacement for Whelen Model #70303 Light
Pinecone replied to StevenL757's topic in Avionics / Parts Classifieds
That is probably the best idea. I was just suggesting that James talk to Whelen to have them understand that we don't (AFAIK) have an actual voltage converter, but just a dropping resistor. -
It can depend on when they got their last delivery. My field is at $6.32. Where is has been since August. So I suspect, they are still working on that load of fuel. The high priced places may be sitting on fuel they bought when it was more expensive, since they pump less due to the price. When I have the fee waived for fuel, I figure out if it is worth it. If the price of fuel difference is high enough, the fee is less than even their minimum fuel. However, some places charge more because they can charge more.
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Unfortunately, not one big door. Two garage doors and one people door. And it is TOO SMALL. Zoning code for my county says any outbuildings are limited to 1/2 the square footage of the primary building finished space. I calculated on what I considered finished space. I counted the 500 sqft MIL apartment in the basement, but not the rest. But I had wired it, painted the floor and walls, installed lighting. I could have counted that. And built it 50% larger.
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ROP and LOP as related to "the feel"
Pinecone replied to 211º's topic in Vintage Mooneys (pre-J models)
Interestingly, the current official record for a glider is 50,671 feet. But they are waiting confirmation of a flight to 74,298 feet. -
Heck, Mooney does not have an active presence here on the main Mooney specific site. But I agree with others, they do not need a huge social media presence, at this time. Their product(s) now are in support of their products from the past. And we are sort of locked into them. But they should have some online presence, and keep Mooney owners and enthusiasts informed of what is going on with the company.
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LED Replacement for Whelen Model #70303 Light
Pinecone replied to StevenL757's topic in Avionics / Parts Classifieds
Was not thinking when I said transformer. I just don't see them putting in a voltage converter (one for each side???). If no other reason, they an unneeded expense. The 252 IPC shows the lamp to be a 01-07770303-00, which is the 14 volt lamp. But, as others have stated, if there is a simple dropping resistor, the LED lamp will see about 27 volts. You REALLY need to talk to Whelen about this. Otherwise there are going to be a bunch of burned out lamps. -
For power, when I did my garage, I ran multiple circuits for the wall outlets. And I put the at 48" above the floor. So they are above the work benches and I don't have to bend down to plug/unplug things. My garage is 30 x 36. I put two 20 amp circuits on the back wall (36'), alternating. For first outlet is circuit 1, next is 2, then next is 1 again. Side walls got one circuit. Outlets are spaced 48 inches. Each wall has a 220 outlet for welders or other equipment. There are dedicated 220 outlets for air compressor and lift. My lift is from Eagle Equipment. I had it professionally installed by a local auto lift company. I talked to the installer, and asked his opinion of the Eagle lift. He stated, "It is the Hyundai (this was in 2003) of lifts." He went on to explain, it is fine, works well, not fancy, but more than adequate for a home user. I did stick built. At the time, once I priced out everything, including the slab, the price different was not that great. And it looks much nicer.